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NOTE: CentOS Enterprise Linux 5 is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux 5 is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux 5.

Chapter 31. X Window System Configuration

During installation, the system's monitor, video card, and display settings are configured. To change any of these settings after installation, use the X Configuration Tool.

To start the X Configuration Tool, go to System (on the panel) => Administration => Display, or type the command system-config-display at a shell prompt (for example, in an XTerm or GNOME terminal). If the X Window System is not running, a small version of X is started to run the program.

After changing any of the settings, log out of the graphical desktop and log back in to enable the changes.

31.1. Display Settings

The Settings tab allows users to change the resolution and color depth. The display of a monitor consists of tiny dots called pixels. The number of pixels displayed at one time is called the resolution. For example, the resolution 1024x768 means that 1024 horizontal pixels and 768 vertical pixels are used. The higher the resolution values, the more images the monitor can display at one time.

The color depth of the display determines how many possible colors are displayed. A higher color depth means more contrast between colors.

Display Settings

Figure 31.1. Display Settings


 
 
  Published under the terms of the GNU General Public License Design by Interspire